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Quadrilaterals

Quadrilaterals. by Sumera Butt. Definition. Polygon – a closed many straight-sided figure. Definition. Angle – two rays that meet at a common end point. Definition. Degree – a unit of measurement of an angle or arc, represented by the symbol º. 90 º. Definition.

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Quadrilaterals

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  1. Quadrilaterals by Sumera Butt

  2. Definition • Polygon – a closed many straight-sided figure.

  3. Definition • Angle – two rays that meet at a common end point.

  4. Definition • Degree – a unit of measurement of an angle or arc, represented by the symbol º. 90º

  5. Definition • Quadrilateral – a polygon with 4 angles and 4 straight sides.

  6. Quadrilateral Family parallelogram rectangle trapezoid square rhombus

  7. Property of quadrilaterals • The sum of all the angles equals 360º degrees. 90º 90º 90º 90º

  8. Property of Quadrilaterals • The sum of all the angles equals 360º degrees. 90º 90º 90º 90º 90º + 90º 90º 90º 360º

  9. Property of Quadrilaterals • The sum of all the angles equals 360º degrees. 90º 90º 90º 90º 90º + 90º 90º 90º 360º

  10. Property of Quadrilaterals • The sum of all the angles equals 360º degrees. 70º 70º 70º 70º 110º 110º + 110º 110º 360º

  11. Property of Quadrilaterals • The sum of all the angles equals 360º degrees. 65º 65º 115º 65º 115º 115º + 65º 115º 360º

  12. What is the missing angle? 90º 90º 90º 90º 90º + ? 90º ? 360º

  13. What is the missing angle? 70º 70º 70º 70º 110º ? 110º ? + 360º

  14. What is the missing angle? 65º ? 65º 65º 115º 65º 115º + ? 360º

  15. What is the missing angle? 90º 90º 90º ? 90º 90º 90º + ? 360º

  16. What is the missing angle? 58º 109º 81º ? 109º 58º 81º + ? 360º

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